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What is a polarized sunglasses?
by：Eugenia
2020-08-15
In our life, there are too many light sources produce harmful light, especially sunlight;
The sun give off light has: visible light, infrared, ultraviolet,
紫外线)
Such as three.
With ultraviolet radiation to the human body of skin, eyes, etc. , cause serious damage;
Polarized sunglasses because has the function of the polarization of light so that all the harmful rays of blocking off does not affect the visible light through, can truly achieve the purpose of protecting our eyes.
Polarized sunglasses in addition to the basic uv protection function, but also has anti glare, pavement reflect light, the surface scales such as light, suitable for driving, fishing, travel, daily wear.
what is polarized sunglasses? We must first understand what is called polarized light?
polarization can be divided into three kinds, namely linear polarized light, ellipse polarized light and circular polarized light. Polarization is also called the polarized light. Visible light is a transverse wave, the vibration direction perpendicular to the direction of propagation. The vibration direction of natural light, in the vertical plane in the direction of propagation is arbitrary; For polarized light, the direction of vibration in a certain moment, are limited in a particular direction. And the polarized lenses because have polarization properties, so can be completely cut off because of scattering, inflectional, such as reflection and dazzling glare caused by various factors. And at the same time for the human eye can be harmful ultraviolet light is completely cut off, make the person is in long-term activities under strong light, the eye is not easy to tired, achieve real protection function, and to see things more clearly, three-dimensional. Polarized sunglasses according to use can be divided into: ski mirror, mirror, fishing polarization driving glasses, outdoor sports, golf glasses, according to the material can be divided into: glass polarized sunglasses, polarized sunglasses resin material, TAC polarized sunglasses lens material.
polarized sunglasses can block glare of uncomfortable, at the same time can protect your eyes from uv rays. All of this is due to metal powder filters, they can when light hits on the & # 8220; Select the & # 8221; 。 Of polarized sunglasses can selectively absorb the sun's rays of a part of the band, because it is through the thin metal powder ( Iron, copper, nickel, etc. ) 。 In fact, when the light on the lenses, based on the so-called & # 8220; Destructive interference & # 8221; Process, the light will be cut.
polarized sunglasses provides another mechanism of protecting our eyes. The asphalt reflected light is a special polarized light. The reflected light and the light from the sun directly or any artificial light source the light is different from the problem lies in the order. Polarized light is made up of all in one direction vibration wave form, and the light of the general is by not directional vibration wave into the open. Polarized sunglasses lenses can after the sun's rays to darken. When lighting weakens, it became bright again. To be able to, because of the silver halide crystals at work. Under normal circumstances, it can keep the lens transparency. Under the irradiation of the sunlight, the crystals of the silver, silver in YouLiZhuang inside the lens form small drupelets. These small silver aggregation of jagged irregular mass, they cannot be transmitted light, and can only absorb light, the result has lenses darkened. Again in the case of light from the darkness, the crystals form, the lens then return to the bright state.
the article title: what is a polarized sunglasses?
post: glasses sunglasses factory network
what is polarized sunglasses? We must first understand what is called polarized light?
polarization can be divided into three kinds, namely linear polarized light, ellipse polarized light and circular polarized light. Polarization is also called the polarized light. Visible light is a transverse wave, the vibration direction perpendicular to the direction of propagation. The vibration direction of natural light, in the vertical plane in the direction of propagation is arbitrary; For polarized light, the direction of vibration in a certain moment, are limited in a particular direction. And the polarized lenses because have polarization properties, so can be completely cut off because of scattering, inflectional, such as reflection and dazzling glare caused by various factors. And at the same time for the human eye can be harmful ultraviolet light is completely cut off, make the person is in long-term activities under strong light, the eye is not easy to tired, achieve real protection function, and to see things more clearly, three-dimensional. Polarized sunglasses according to use can be divided into: ski mirror, mirror, fishing polarization driving glasses, outdoor sports, golf glasses, according to the material can be divided into: glass polarized sunglasses, polarized sunglasses resin material, TAC polarized sunglasses lens material.
polarized sunglasses can block glare of uncomfortable, at the same time can protect your eyes from uv rays. All of this is due to metal powder filters, they can when light hits on the & # 8220; Select the & # 8221; 。 Of polarized sunglasses can selectively absorb the sun's rays of a part of the band, because it is through the thin metal powder ( Iron, copper, nickel, etc. ) 。 In fact, when the light on the lenses, based on the so-called & # 8220; Destructive interference & # 8221; Process, the light will be cut.
polarized sunglasses provides another mechanism of protecting our eyes. The asphalt reflected light is a special polarized light. The reflected light and the light from the sun directly or any artificial light source the light is different from the problem lies in the order. Polarized light is made up of all in one direction vibration wave form, and the light of the general is by not directional vibration wave into the open. Polarized sunglasses lenses can after the sun's rays to darken. When lighting weakens, it became bright again. To be able to, because of the silver halide crystals at work. Under normal circumstances, it can keep the lens transparency. Under the irradiation of the sunlight, the crystals of the silver, silver in YouLiZhuang inside the lens form small drupelets. These small silver aggregation of jagged irregular mass, they cannot be transmitted light, and can only absorb light, the result has lenses darkened. Again in the case of light from the darkness, the crystals form, the lens then return to the bright state.
the article title: what is a polarized sunglasses?
post: glasses sunglasses factory network
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